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Currents in the Bismarck Sea and Kimbe Bay

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Currents in the Bismarck Sea and Kimbe Bay December 2006 TNC Pacific Island Countries Report No 6/06 Currents in the Bismarck Sea and Kimbe Bay Papua New Guinea Prepared for The Nature Conservancy by: C.R. Steinberg, S.M. Choukroun, M.M. Slivkoff, M.V. Mahoney & R.M. Brinkman Australian Institute of Marine Science Supported by: This study was supported in part, by the generosity of the David and Lucile Packard Foundation. DISCLAIMER This report has been produced for the sole use of the party who requested it. The application or use of this report and of any data or information (including results of experiments, conclusions, and recommendations) contained within it shall be at the sole risk and responsibility of that party. AIMS do not provide any warranty or assurance as to the accuracy or suitability of the whole or any part of the report, for any particular purpose or application. Subject only to any contrary non-excludable statutory obligations neither AIMS nor its personnel will be responsible to the party requesting the report, or any other person claiming through that party, for any consequences of its use or application (whether in whole or part). NOTE: All SeaWiFS images and data presented on this website are for research and educational use only. All commercial use of SeaWiFS data must be coordinated with GeoEye, http://www.geoeye.com/. December 2006 TNC Pacific Island Countries Report No 6/06 Currents in the Bismarck Sea and Kimbe Bay Papua New Guinea Prepared for The Nature Conservancy by: C.R. Steinberg, S.M. Choukroun, M.M. Slivkoff, M.V. Mahoney & R.M. Brinkman Australian Institute of Marine Science Published by: The Nature Conservancy, Indo-Pacific Resource Centre Author Contact Details: Craig Steinberg: PMB No. 3, Townsville, QLD 4810 Australia Email: [email protected] Suggested Citation: Steinberg, C.R., Choukroun, S.M., Slivkoff, M.M., Mahoney, M.V., Brinkman, R.M, 2006. Currents in the Bismarck Sea and Kimbe Bay, Papua New Guinea. Australian Institute of Marine Science and The Nature Conservancy. TNC Pacific Island Countries Report No. 6/06. © 2006, The Nature Conservancy All Rights Reserved. Reproduction for any purpose is prohibited without prior permission. Available from: Indo-Pacific Resource Centre The Nature Conservancy 51 Edmondstone Street South Brisbane, QLD 4101 Australia Or via the worldwide web at: conserveonline.org/workspaces/pacific.island.countries.publications ii CONTENTS List of Figures................................................................................................................... iv List of Tables .................................................................................................................... iv 1. Introduction................................................................................................................... 1 1.1 Data usage and care in interpretation........................................................................ 1 1.2 Companion Atlas DVD............................................................................................. 2 2. Review of existing knowledge ...................................................................................... 3 2.1 Location ....................................................................................................................3 2.2 Bathymetry................................................................................................................ 4 2.3 Winds ........................................................................................................................ 5 2.4 Sea Level...................................................................................................................6 2.5 Large-Scale Circulation ............................................................................................ 8 3. Ocean Colour.................................................................................................................9 3.1 Processing ................................................................................................................. 9 3.2 Selected Imagery....................................................................................................... 9 4. Sea Surface Temperature........................................................................................... 19 4.1 Processing ............................................................................................................... 19 4.2 Selected SST Imagery............................................................................................. 19 5. Currents....................................................................................................................... 24 5.1 Description of the Model ........................................................................................ 24 5.2 Selected Model Plots............................................................................................... 24 6. Connectivity.................................................................................................................30 7. Discussion..................................................................................................................... 32 7.1 Regional Currents ................................................................................................... 32 7.2 Bismarck Sea Currents............................................................................................ 32 7.3 Kimbe Bay Currents ............................................................................................... 33 8. Conclusions and Recommendations.......................................................................... 34 Acknowledgements ......................................................................................................... 35 References........................................................................................................................ 36 Glossary ........................................................................................................................... 38 iii LIST OF FIGURES Figure 1 Location of the Bismarck Sea and Kimbe Bay, Papua New Guinea.................... 3 Figure 2 Kimbe Bay, New Britain (adapted from chart AUS4622) ................................... 4 Figure 3 The bathymetry of the Bismarck Sea and region. ................................................ 4 Figure 4 Monthly average winds in Papua New Guinea for February and August 2001... 5 Figure 5 Tide Predictions for Kavieng, Kimbe, Madang and Port Moresby for 30 days... 6 Figure 6 Sea level anomaly observed by the Manus Island sea level gauge. ..................... 7 Figure 7 Surface currents of the Pacific Ocean .................................................................. 8 Figure 8 SeaWiFS 1998 Week 50..................................................................................... 10 Figure 9 SeaWiFS 1998 Week 30..................................................................................... 10 Figure 10 SeaWiFs 1998 Week 15 ................................................................................... 11 Figure 11 SeaWiFS 1998 Week 31................................................................................... 11 Figure 12 SeaWiFS 1998 Week 43................................................................................... 12 Figure 13 SeaWiFS 2000 Week 5..................................................................................... 12 Figure 14 SeaWiFS 2000Week 40.................................................................................... 13 Figure 15 SeaWiFS 2001 Week 3..................................................................................... 13 Figure 16 SeaWiFS 2001 Week 27................................................................................... 14 Figure 17 SeaWiFS 2001 Week 29................................................................................... 14 Figure 18 SeaWiFS 2001 Week 33................................................................................... 15 Figure 19 SeaWiFS 2002 Week 26................................................................................... 15 Figure 20 SeaWiFS 2002 Week 50................................................................................... 16 Figure 21 SeaWiFS 2003 Week 8..................................................................................... 16 Figure 22 SeaWiFS 2003 Week 42................................................................................... 17 Figure 23 SeaWiFS 2004 Week 35................................................................................... 17 Figure 24 SeaWifs 2004 Week 28 (top) Week 29 (middle) Week 30 (bottom) ............... 18 Figure 25 SST July 4 1998................................................................................................ 20 Figure 26 SST September 2 1998 ..................................................................................... 20 Figure 27 SST October 26 1998 ....................................................................................... 21 Figure 28 SST May 30 1999............................................................................................. 21 Figure 29 SST January 4 1999.......................................................................................... 22 Figure 30 SST October 7 1999 ......................................................................................... 22 Figure 31 SST February 15 2000.....................................................................................
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